Update sbt, scripted-plugin to 1.12.6

typelevel-steward[bot] · typelevel-steward[bot] · commit 0784c7c9693d · 2026-03-16T20:16:09.000Z
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.12.5
+sbt.version=1.12.6
